#91DEF1
Closest named color: Light Blue (#ADD8E6). oklch(85.7% 0.08 215), rgb(145, 222, 241).
Aa
Black text reads best on this color (13.92:1).
About this color
#91DEF1 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.080 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.032 away. Black text reads best on it, at 13.92:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.92:1 |
| White text | 1.50:1 |
Values
| HEX | #91DEF1 |
| RGB | rgb(145, 222, 241) |
| HSL | hsl(192, 77%, 76%) |
| OKLCH | oklch(85.7% 0.08 215) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #91DEF1 | 1.50:1 | Fails | Lc -26.8 | Dividers and decoration only |
| Black text on #91DEF1 | 13.92:1 | AAA | Lc 80.1 | Fine for body text |
| #91DEF1 text on white | 1.50:1 | Fails | Lc 23.6 | Dividers and decoration only |
| #91DEF1 text on black | 13.92:1 | AAA | Lc -79.5 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#ECF8FB
oklch(97.1% 0.013 214.4)
-
Step 100
100
#D5EFF6
oklch(93.5% 0.029 215.7)
-
Step 200
200 (this color)
#91DEF1
oklch(85.7% 0.08 215)
-
Step 300
300
#68D2EA
oklch(81% 0.103 214.6)
-
Step 400
400
#00B3D1
oklch(70.6% 0.125 215.4)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#91DEF1 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D0D9F2 | 0.072 |
| Deuteranopia (no green cones) | #C1CDF1 | 0.067 |
| Tritanopia (no blue cones) | #69E6E4 | 0.047 |
| Achromatopsia (no color) | #D2D2D2 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91DEF1
#91DEF1
oklch(85.7% 0.08 215)
- #FFBEAD
#FFBEAD
oklch(85.7% 0.079 35.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #91DEF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.032
- Celeste #A8DADC ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.036
- Robin's Egg #6DEDFD ΔE 0.044
- Sky Blue #87CEEB ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.046
- Robin Egg Blue #8AF1FE ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.051
Use #91DEF1 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.